Portal 2 achievements
946
(510)

Portal 2

4.7 from 293 votes

There are a maximum of 51 Portal 2 achievements worth 946

7,331 tracked gamers have this game, 410 have completed it (5.59%)

Achievement Details

You Saved Science in Portal 2

You Saved Science18

Complete all test chambers in all courses of co-op

  • Unlocked by 2,378 tracked gamers (32% - TSA Ratio = 1.75) 7,331  
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